Platinenabbildungen und Schaltpl
ä
ne / Layout of PCBs and Circuit Diagrams
VCR-SAT 1
2 - 2
GRUNDIG Service
REMOTE
TV_OUT
PAL
Baseband
8
12
+
-
CT1040
Clamp
6
PAL- Deemph.
LPF
16
19
AGCL
Hub
Deviation (Hub)
STV0056F
CIC1100
BPF
BPF
VREF (GND
Audio)
43
J17R
75
µ
sR
Normal
-6dB
+12V/V
VCO
Demo-
dulator
PLL
Panda
NRS
V DEC OUT
19
20
2
6
DEC_IN
CVIDEO
Clamp
CT1365
Polarity
VIDEO IN / OUT
CIC1330
CVIN
8
7;11;15
I
2
C-Bus
SCL (SCLK)
SDA (SIN)
CS_OSD
+12V
+5V
32
10/11
44/45
31
53
59
54
58
26
27
SDA
SCL
Decoder
MONO J17 / 75
µ
s
22kHz
U / 22kHz
U / LNC OFF
U / 14/18
U /
AFC
+5V
19
LNC POWER
EE-
PROM
RESET
22
AGCR
24
30
PLL
J17L
75
µ
sL
37
29
37
39
47
VCO
~
~
~
~
~
~
+5V/T
EXO_SYNC (Koinzidenz)
29
64
4
61
(decoder recognition)
3
1
3
1
20
AL_TV OUT
AR_TV OUT
21
23
24
9
16
10
8
Trafo
U / LNC OFF
2,4V
4MHz
Q1402
CT1073
CT1081
U / 14V / 18V
22kHz
Generator
CIC1400 CONTROLLER
17 / 30
AL_DEC OUT
AR_DEC OUT
8
Decoder
R; G; B
VCR
16
16
AL_DEC IN
AR_DEC IN
4
~
~
~
PLL
SAT
Tuner
Mixer
Demodulator
prog.
divider
Oscillator
Systemclock
CT1105
SATLINK
19
21
4
32
33
34
26
16
17
28
5
13
15
+5V/D
27
U /
A
V OUT
U /
A
V IN 1
29
CT1350
CT1260
CT1241
CT1242
CT1210
POWER
SUPPLY
63
17
18
3
62
25
+5V/T
I
2
C-Bus
Interface
Systemclock
50
C1033
C1034
CR1071
6
5
+5V/D
+5V/T
+33V
15
14
14
10
CIC1602 (v= 4)
CD1740
MF1002
CT1743
CT1744
CT1012
CT1013
13
9
—
Audio-Deemphasis
AUDIO IN / OUT
OSD
20
18
SYNCIN
CIC1420
IC1402
CT1749
IC1731
CT1745
BASIS BAND
7;11;15
FB
RESET
15
2
3
Q1330
Blockschaltplan – SAT-Signalelektronik / Block Circuit Diagram – SAT Signal Electronic
